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Respiratory system, Jamie Pino (physiology of breathing (basic properties…
Respiratory system, Jamie Pino
lungs
right and left bronchus
respiratory zone: bronchioles , alveolar ducts, alveoli
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site of gas exchange, the air is cleansed
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air inside the lungs is low pressure, the air outside is high pressure
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conducting zone: nasal cavity, pharynx, mouth, nose larynx
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physiology of breathing
inspiration : the intercostal muscles and the diaphragm contract, then the thorastic cavity and the lungs
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respiratory volumes: tidal, inspiratory, expiratory, and residual
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external respiration: its influences is the partial pressure gradients as well as gas solubilites, thickness if surface area of respiratory membrane
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internal respiration: includes capillary gas exchange in the body's tissues, reversed from external respiration
Respiratory diseases
tuberculosis: a bacterial infection in the respiratory sys. caused by mycobacterium turbuculosis. contagious, drugs.
symptoms include cough with thick mucus, weight loss
treatment involves long term antibiotics, surgery
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